40940488

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{461}}^1\times {\mathrm{653}}^1$

素因数の和:1137

約数の個数: 32

約数和(自身を含む): 81579960

約数和(自身を除く): 40639472

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 461, 653, 922, 1306, 1844, 2612, 3688, 5224, 7837, 11101, 15674, 22202, 31348, 44404, 62696, 88808, 301033, 602066, 1204132, 2408264, 5117561, 10235122, 20470244, 40940488]

約数ペア:

[(1, 40940488), (2, 20470244), (4, 10235122), (8, 5117561), (17, 2408264), (34, 1204132), (68, 602066), (136, 301033), (461, 88808), (653, 62696), (922, 44404), (1306, 31348), (1844, 22202), (2612, 15674), (3688, 11101), (5224, 7837)]